Automobile rear bumper



FIG. 1 is a front elevation view of an automobile rear bumper showing mynew design;

FIG. 2 is a perspective view thereof;

FIG. 3 is a right-side view thereof;

FIG. 4 is a left-side view thereof;

FIG. 5 is a top, plan view thereof;

FIG. 6 is a bottom, plan view thereof; and,

FIG. 7 is a perspective view thereof.

The ornamental design for an automobile rear bumper, as shown and described. 